WO1989000518A1 - Retroviseur pour portieres de voitures - Google Patents

Retroviseur pour portieres de voitures Download PDF

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Publication number
WO1989000518A1
WO1989000518A1 PCT/JP1988/000709 JP8800709W WO8900518A1 WO 1989000518 A1 WO1989000518 A1 WO 1989000518A1 JP 8800709 W JP8800709 W JP 8800709W WO 8900518 A1 WO8900518 A1 WO 8900518A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
mirror
bearing
door mirror
mirror housing
Prior art date
Application number
PCT/JP1988/000709
Other languages
English (en)
Japanese (ja)
Inventor
Masaji Maekawa
Kunio Kotani
Ryoji Ukaji
Hiroshi Shimizu
Kenichi Sato
Original Assignee
Ichikoh Industries, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10831387U external-priority patent/JPH054447Y2/ja
Priority claimed from JP3259688U external-priority patent/JPH01144142U/ja
Priority claimed from JP3848788U external-priority patent/JPH01142340U/ja
Priority claimed from JP3848688U external-priority patent/JPH01142339U/ja
Priority claimed from JP3959188U external-priority patent/JPH01147747U/ja
Priority claimed from JP4530188U external-priority patent/JPH0533409Y2/ja
Application filed by Ichikoh Industries, Ltd. filed Critical Ichikoh Industries, Ltd.
Publication of WO1989000518A1 publication Critical patent/WO1989000518A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • B60R1/076—Rear-view mirror arrangements mounted on vehicle exterior yieldable to excessive external force and provided with an indexed use position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S248/00—Supports
    • Y10S248/90—Movable or disengageable on impact or overload

Definitions

  • the present invention relates to a door mirror for obtaining a rear view of an automobile, and more particularly, to a support structure of a mirror housing in a retractable door mirror.
  • a mirror housing that supports the mirror in a tiltable manner is fixedly arranged so as to protrude to the side of the vehicle body.
  • a mirror 5 on which a mirror unit 4 is fixed is mounted on a mirror housing 3 and a drive unit (not shown) for tilting the mirror body 4a is mounted on the mirror housing 3.
  • the bracket 5 is formed with a bearing cylinder 5a for supporting the shaft 2 as a whole.
  • the compression coil spring is located between the base of the bearing cylinder 5a and the spring receiver 7 whose movement outside the shaft 2 is restricted by the retaining ring 8 fixed to the end of the shaft 2.
  • a ring 6 is arranged, and a plurality of balls 9 are arranged between the bottom surface of the bracket 5 and the base of the shaft 2.
  • the ball 9 is housed in the recess 2 a formed in the base of the shaft 2, and the bracket 5 is pressed against the base of the shaft 2 by the spring force of the coil spring 6.
  • the lens housing 3 is positioned at that position, and is configured to rotate by a certain angle against a spring force when a large external force is received.
  • the mirror housing 3 is formed of a lightweight synthetic resin, and the bracket 5 including the bearing sleeve 5a is made of metal to obtain a large mechanical strength. For example, they are formed from an aluminum die cast, and since both are mechanically connected to each other, the weight increases.
  • a compression coil spring 6 is disposed between the base of the bearing cylinder 5a and the spring receiver 7, and a plurality of balls 9 are further provided.
  • the support structure of the mirror housing 3 is complicated because it is arranged between the bottom surface of the bracket 5 and the base of the shaft 2 to give the mirror housing 3 a pivotal operation.
  • the assembling work requires skill of the worker, and the assembling cannot be performed easily in a short time. '
  • An object of the present invention is to provide a vehicle mirror having a novel mirror housing support structure which solves the above-mentioned problem of the conventional retractable mirror.
  • Another object of the present invention is to provide a vehicle door mirror having a mirror housing support structure which has a small number of parts, is lightweight and has high mechanical strength.
  • a door mirror for a vehicle supports a mirror base fixed to a vehicle body and having a substantially vertical shaft and a mirror so as to be tiltable.
  • a synthetic resin mirror housing rotatably supported by the mirror base shaft, and a mirror housing attached to the mirror base to hold the mirror housing in a normal position.
  • the mirror housing can rotate from the normal position to the forward and rearward tilting positions when receiving an external force equal to or more than a certain value according to the elastic force of the spring means.
  • a bearing member for receiving the mirror-based shaft is formed in the mirror housing by body molding.
  • the mirror housing made of synthetic resin and the bearing member that receives the mirror-based shaft are formed by body molding, the weight is extremely small and the mirror housing support structure is simple. As a result, the assembly work becomes easier.
  • the bearing member has a hollow inner leg tube portion having a receiving surface for receiving the peripheral surface of the shaft, an outer measurement tube portion formed integrally with the inner tub tube portion and having a lower portion opened, and an inner tube. It is composed of a plurality of reinforcing ribs arranged radially by connecting the outer part and the outer tubing part, and the tip of the shaft is inserted from the lower opening of the inner cylindrical part to the upper part.
  • the upper wall of the outer cylinder is formed in a plane substantially perpendicular to the shaft, and the spring means is fixed to a tip of the shaft. Since it can be formed in the form of a compression coil spring interposed between the receiving member and the flat surface, sufficient rigidity can be given to the bearing member.
  • a ball member rotatably supporting the mirror housing is provided around the shaft between the mirror housing and the mirror base, and the ball member is formed on the mirror base.
  • the shaft can be formed separately from or integral with the mirror base, and when formed integrally, the assembly is simplified.
  • the bearing member is formed in the form of a bearing body having a receiving surface for receiving the peripheral surface of the shaft
  • the spring means is formed in the form of a U-shaped spring housed and housed in the bearing body
  • the spring body is formed in the form of a U-shaped spring.
  • One end is in contact with the inner wall of the bearing body, and the other end is arranged so as to contact a plane parallel to the axial direction of the shaft formed at least in part of the shaft.
  • a stopper for restricting the axial movement of the mirror housing with respect to the shaft can be provided.
  • the spring presses the peripheral surface of the shaft in a direction perpendicular to the axial direction, so that the spring comes into full contact with the bearing surface of the bearing, and the shaft of the mirror housing, including the bearing body, is subjected to frictional force.
  • the peripheral rotation is suppressed.
  • the spring since the spring is housed in the bearing body, the work of attaching the shaft to the bearing body is easy, and the mirror-housing support structure is compact, and the shaft at the end of the shaft There is no breakage of the shaft because the sealing means does not receive large stress.
  • the spring When the mirror housing is in the normal position, the spring is in contact with the flat surface formed on the shaft, and when a large external force is applied to the mirror housing, the leaf spring contracts while contracting. Since the movable housing comes into contact with the peripheral surface from a flat surface, a part of the large external force applied to the mirror housing is absorbed, and the mirror housing rotates slowly.
  • a pair of leaf springs can be provided at positions facing each other across the shaft in the bearing body, and the shaft is provided with a pair of planes corresponding to the respective springs, thereby providing a more stable mirror.
  • the housing is supported and held in the normal position.
  • these planes are composed of a D-plot portion formed on the peripheral surface of the shaft.
  • the spring is formed with a protruding portion protruding toward the plane of the shaft, and the flat surface is formed with a corresponding recess for engaging the protruding portion, thereby providing a more stable mirror.
  • the housing is supported and held in the normal position.
  • one concave portion and two other concave portions for engaging the protruding portion are formed so that one recess corresponds to the normal position of the mirror housing and the other two recesses correspond to the forward and rearward tilting positions from the normal position of the mirror housing, respectively. be able to .
  • the mirror housing can be reliably held in the normal position, and the rotation can be controlled.
  • the shaft is formed on a large-diameter cylindrical surface near the lower end, and on a small-diameter cylindrical surface near the upper end, and the conical surface between the large-diameter cylindrical surface and the small-diameter cylindrical surface is formed.
  • a part of the conical surface can be formed in a plane parallel to the axial direction of the shaft, and the bearing body receives a large-diameter cylindrical surface, a small-diameter cylindrical surface, and a conical surface, respectively. It can be configured to have such a receiving surface. This makes it easier to attach the shaft to the bearing body.
  • the shaft can be composed of a pair of claws formed at the end of the shaft, and when the end of the shaft inserted from the lower opening of the bearing is exposed from the upper opening of the bearing. It is preferable to form it so as to engage with the upper opening edge of the bearing body.
  • FIG. 1 is an exploded perspective view schematically showing the structure of a conventional folding door mirror
  • FIG. 2 is a sectional view of a main part in FIG. 1
  • FIG. 3 shows a first embodiment of an automotive door mirror according to the invention
  • FIG. 3 is an exploded perspective view schematically showing the structure of the door mirror
  • FIG. 4 is a bottom view of a main part of FIG.
  • FIG. 3 is a sectional view of a main part
  • FIGS. 6 to 8 show a second embodiment of a vehicle door mirror according to the present invention
  • FIG. 6 is a sectional view of a main part of the door mirror
  • FIG. FIG. 6 is a cross-sectional view taken along the line VII-VII in FIG. 6 schematically showing the support structure of the mirror housing
  • FIG. 8 is a cross-sectional view for explaining the operation of the support structure of the mirror housing
  • FIG. FIG. 10 shows a third embodiment of a door mirror for a vehicle according to the present invention
  • FIG. 9 is a cutaway view of a main part of the door mirror.
  • FIG. 10 is a cross-sectional view taken along line X--X in FIG.
  • FIG. 11 is a sectional view taken along line X--X in FIG. 9, and FIG. Fig. 11 shows a fourth embodiment of the mirror
  • Fig. 11 is a sectional view of a main part of the door mirror
  • Fig. 12 is a sectional view taken along the line XII-XII in Fig. 11, and
  • Fig. 13 is FIG. 14 is an enlarged perspective view showing a form of a leaf spring.
  • FIG. 14 is a front view for explaining the operation of the mirror housing support structure shown in FIG. 12, and FIG. 15 and FIG. FIG. 15 shows a fifth embodiment of a vehicle door mirror according to the present invention, and FIG.
  • FIG. 15 is a sectional view of a main part of a door mirror, in which a plate spring having two projecting portions is shown.
  • FIG. 16 is a cross-sectional view taken along the line XVI-XVI of FIG. 15, and FIGS. 17 and 18 show a sixth embodiment of a door mirror for an automobile according to the present invention.
  • the illustration shows a door
  • FIG. 18 is a schematic exploded perspective view of the mirror housing supporting structure shown in FIG. 17, FIG. 19 and FIG. 20. Shows a seventh embodiment of the vehicle door mirror according to the present invention, and FIG. 19 shows a mirror housing support structure of the door mirror.
  • FIG. 20 is a schematic exploded perspective view of the mirror housing support structure shown in FIG. 19, and FIG. 21 shows an eighth embodiment of the vehicle door mirror of the present invention.
  • FIG. 22 is a cross-sectional view of the main part of the door mirror
  • FIG. 22 is a cross-sectional view of the main part showing a modified kiyoshi in which a ring for preventing wear is provided between the pair of leaf springs and the shaft in FIG. 23 to 26 show a ninth embodiment of the vehicle door mirror according to the present invention
  • FIG. 23 is a sectional view of a main part of a door mirror
  • FIG. 3 is a cross-sectional view for explaining the function of an elastic body surrounded by a lubricating synthetic resin.
  • FIGS. 3 to 5 show a first embodiment of a door mirror for an automobile according to the present invention.
  • reference numeral 11 denotes a mirror base to be fixed to a vehicle body, and a shaft 12 is integrally fixed to the mirror base 11.
  • a drive unit (not shown), which is made of synthetic resin and tiltably supports a mirror (not shown), is attached.
  • the bearing has a receiving surface for receiving the shaft 12.
  • the member 16 is formed by integral molding with the mirror housing 13. As shown in FIG. 4, the bearing member 16 surrounds the hollow inner cylindrical portion 16a having a receiving surface for receiving the peripheral surface of the shaft 12 and the inner cylindrical portions 1 to a.
  • the outer tubing section 16b which is formed integrally therewith and whose lower part is open, and the inner tubing section 16a and the outer tubing section 16b are connected and arranged radially. And two reinforcing ribs 22.
  • Each reinforcing rib 22 connects the outer peripheral surface of the inner cylindrical portion 16a to the inner surface and the inner peripheral surface of the upper wall portion of the outer cylindrical portion 16b.
  • a substantially hemispherical concave portion 23 is formed.
  • the base of the shaft 12 has a small half corresponding to the hemispherical recess 23.
  • each ball 19 is arranged so as to be in the opposing concave portion.
  • the length of the shaft 12 is larger than the length of the inner cylindrical portion 16a, and is exposed from the upper opening when the shaft 12 is inserted into the inner cylindrical portion 16a.
  • a push nut 18 is fixed to the end of the shaft 12, and the compression coil spring 17 is almost flat between the push nut 18 and the outer cylinder 16b. It is interposed between the upper wall.
  • the push nut 18 and the flat upper wall of the outer cylindrical portion 16 b constitute a spring receiver, and the bearing member 16 is moved toward the base of the shaft 12 by spring force.
  • the bearing member 16 is composed of a hollow inner cylindrical portion 16a integrally formed with the mirror housing 13 and an outer cylindrical portion 16b surrounding the hollow inner cylindrical portion 16a. The structure is integrally connected by the plurality of reinforcing ribs 22 so that the rigidity of the entire bearing member can be increased, and the mirror housing 13 is reliably supported. be able to .
  • FIG. 6 to FIG. 8 show the second embodiment. Parts that are the same as or similar to the parts in the first embodiment are denoted by the same reference numerals.
  • the shaft 12 is shown separately from the mirror base 11 for simplicity, but is actually formed integrally.
  • the bearing member 16 is formed by integral molding with the mirror housing 13, but is formed in the form of a bearing having a receiving surface for receiving the peripheral surface of the shaft 12.
  • a part of the peripheral surface of the shaft 12 is formed into a so-called D-cut plane 32, which is cut in a plane parallel to the axial direction as shown in FIG.
  • the bearing body 16 is provided with an internal space 30 in which a U-shaped leaf spring 36 is housed and arranged.
  • One end of the leaf spring 36 is configured to contact the inner wall parallel to the axial direction that defines the internal space 30, and the other end is configured to contact the D-cut plane 32 of the shaft 12.
  • Reference numeral 34 denotes an annular friction plate interposed between the bottom of the bearing 16 and the base of the shaft 12, and the bearing 16 connects the spring 36 and the friction plate 34 to each other.
  • the shaft 12 has a length slightly larger than the height of the bearing body 16 and stops near the tip.
  • An annular ring 40 to which the ring 38 is fixed is formed. The retaining ring 38 is fixed to the groove 40 after the shaft 12 is inserted into the bearing 16 and the bearing 16 is fixed. As shown in Fig. 7, when the mirror housing 13 is in the normal position, the shaft 12 is moved by the large elastic force of the ⁇ spring 36 as shown in Fig. 7.
  • the mirror housing 13 is pressed in the direction perpendicular to the axial direction, and its movement in the axial direction is restricted by the retaining ring 38 and the friction ring 34. 1
  • the spring 36 contracts while the spring 12 contracts, as shown in FIG. Then, since the bottom portion of the bearing body 16 rotates while contacting the friction plate 34, the mirror housing 13 slowly rotates according to the direction of the external force.
  • the mirror housing support structure is simple, and It will be understood that there is no deformation due to stress and that the assembling is easy.
  • the feature of this embodiment is that, in particular, the plate spring 36 is accommodated and arranged inside the bearing body 16 and the Foot 1 2 is the bearing A configuration in which the shaft 12 is pressed against the receiving surface, that is, the shaft 12 is pressed in the horizontal direction, so that the assembly of the shaft 12 to the bearing body 16 can be performed in one touch. Since this does not require skill in assembly, automation of assembly is possible.
  • FIG. 9 and FIG. 10 show a third embodiment, in which a pair of springs 36 are arranged opposite to each other with a shaft 12 sandwiched in a space 30 formed inside a bearing body 16.
  • a part of the peripheral surface of the shaft 12 is formed on a plane where one end of each of a pair of springs 36 comes into contact, that is, a plane 32 on which D force is applied, and the remaining peripheral surface is formed. Is adapted to contact the bearing surface of the bearing 16.
  • the mirror housing 13 since the two opposing planes of the shaft 12 are pressed in opposite directions by the leaf springs 36, the mirror housing 13 is as shown in FIG. In the normal position, it is more securely held by the shaft 12, that is, the mirror base, than when one spring 36 is used. This means that the mirror housing 13 can rotate slowly only when a larger external force is applied to the mirror housing 13 compared to the case where one spring 36 is used. I understand.
  • FIG. 11 and FIG. 14 show a fourth embodiment.
  • one leaf spring 36 is arranged, but one end of the leaf spring 36 is confined as shown in FIG.
  • a flat surface is formed so as to be in contact with the inner wall of the bearing body 16 forming a gap 30, and the other end is in contact with the D-cut plane 32 of the shaft 12.
  • the D-cut plane 32 of the shaft 12 is provided with a concave portion 44a so that the protruding portion 36a is engaged therewith. Therefore, at the normal position of the mirror housing 13 as shown in FIG. 12, the protrusion 36 a of the spring 36 is engaged with the recess 44 a of the shaft 12.
  • the mirror housing 13 Presses the shaft 12 against the bearing surface of the bearing 16, so that the bearing 16 and the shaft 12
  • the mirror housing 13 is securely held against the mirror base 11 due to the frictional force between the mirror housing 11 and the mirror housing 13.
  • the protrusion 36a of the spring 36 and the recess of the shaft 12 The engagement with 44 a is released, and the projection 16 a slowly rotates while the protrusion 36 a contacts the peripheral surface of the shaft 12. At this time, the spring 36 rotates in the contracted state.
  • the mirror housing 13 is moved to the projecting portion 36a.
  • the positioning is automatically performed.
  • the peripheral surface of the shaft 12 corresponding to the movement path of the protrusion 36 a has not only the concave portion 4 a but also the concave portion 4 a.
  • 4 b and 4 4 c can be formed.
  • the recesses 4 4b and 4 4c are formed so as to correspond to the forward and backward tilting positions of the mirror housing 13 respectively, and when the mirror housing 13 receives a large external force, these tilts occur. It is preferable that the mirror 13 is configured so that the rotation of the housing 13 is stopped in the inverted position.
  • FIGS. 15 and 16 show the fifth embodiment, in which two leaf springs 36 having projections 36 a of the fourth embodiment and two shafts 12 are sandwiched.
  • This is an example in which it is accommodated and arranged at a center position.
  • a part of the peripheral surface of the shaft 12 is formed on two mutually parallel planes 32 D-cut, and the two projections 36 a of the leaf spring 36 are formed on those planes.
  • the recesses 44 are formed so that each of them engages with each other.
  • the concave portion 4 4 is in the form of an elongated groove formed to have a length corresponding to the length of the shaft 12 along the axial direction of the shaft 12, but is not limited thereto. It is only necessary that a has a width and a length that can be engaged.
  • the support structure of the mirror housing in this embodiment is almost twice as large as that of the fourth embodiment. Since the torque can be obtained, the mirror paging 13 is more reliably held against the mirror base 11.
  • FIG. 17 and FIG. 18 show the sixth embodiment.
  • the peripheral surface of the shaft 12 in this embodiment includes a large-diameter cylindrical surface 12a rising from the base fixed to the mirror base 11 and a small-diameter cylindrical surface near the distal end. 1 2 b and a conical surface 1 2 c connecting the large-diameter cylindrical surface 12 a and the small-diameter cylindrical surface 1 2 b.
  • the inner surface of the bearing body 16 has a large-diameter bearing surface 16 a for fitting around the shaft 12, a small-diameter bearing surface 16 b, and a large-diameter bearing surface. It is composed of a conical bearing surface 16c that connects the surface 16a and the small-diameter bearing surface 16b.
  • Part of the conical surface 1 2 c is formed on a plane 1 2 d parallel to the generatrix of the conical surface, and one end of the spring 3 6 contacts the plane 1 2 d when the mirror housing 13 is in the normal position. The other end contacts the substantially vertical inner wall of the bearing body 16. ⁇ Because the spring 36 is in contact with a plane whose one end is almost vertical and the other end is in contact with a plane parallel to the generatrix of the conical surface, the bearing 16 is pushed obliquely upward with respect to the shaft 12. Although receiving such a force as to be lifted, a retaining ring 38 fixed to the tip of the shaft 12 suppresses the movement of the bearing 16.
  • both the large-diameter cylindrical surface 12a rising from the base of the shaft 12 and the small-diameter cylindrical surface 12b near the tip end coincide with each other in the axial direction.
  • 6 has a cylindrical opening 1 adjacent to its lower and upper openings, and both a and 16b are axially coincident with each other. Contact .
  • FIG. 19 and FIG. 20 show the seventh embodiment.
  • a pair of claw pieces are provided at the tip of the shaft 12.
  • the claw pieces 50 are formed by integral molding with the shaft 12, and each claw piece 50 has the shaft 12 attached to the bearing 16.
  • each claw piece 50 When it is inserted and its tip passes through the upper opening of the bearing body 16, it is pushed inward by the cylindrical bearing surface 16 b, so that the bearing body 16 After passing through the upper opening, it is configured to engage with the upper opening edge of the bearing body 16.
  • cuts are provided in both sides of each claw piece 50 in the axial direction to provide a certain degree of elasticity.
  • a pair of claw pieces 50 are provided, but may be three or four, and should not be limited to these.
  • the feature of this embodiment is that the mirror-housing support structure is greatly simplified, so that the assembly of the shaft 12 to the bearing body 16 can be performed very quickly and easily. That is.
  • FIG. 21 shows the eighth embodiment, which is an example in which two springs 36 in the seventh embodiment are provided.
  • the housing space 30 in which the two springs 36 are housed is provided at a position opposite to the shaft 12 with the shaft 12 interposed therebetween.
  • the lower opening of the bearing body 16 defines the housing space 30.
  • One end of each leaf spring 36 contacts a plane 12 d formed on the conical surface 12 c of the shaft 12, and the other end contacts an almost vertical inner wall of the bearing body 16.
  • the mirror housing 12 is more securely held against the base 11 in the normal position, and can withstand a large wind pressure.
  • a pair of flat surfaces 12 d are provided at opposing positions of the large-diameter cylindrical surface 12 a of the shaft 12, and the peripheral surface of the large-diameter cylindrical surface 12 a is further provided.
  • a metal ring 52 is arranged around the frame. Accordingly, the pair of springs 36 presses the shaft 12 through the metal ring 52, and the contact between the shaft 12 and the spring 36. Wear can be reduced.
  • FIG. 23 to FIG. 26 show the ninth embodiment, and FIG.
  • An elastic body 58 wrapped with a lubricating synthetic resin material 56 is used as a spring means for pressing the shaft 12 instead of the spring 36 in the present embodiment.
  • a recess 54 is formed in a part of the conical surface 12 c of the shaft 12 to accommodate the elastic body 58 wrapped with the lubricating synthetic resin 56, and further faces the recess 54.
  • a recess 53 that is, a recess corresponding to the accommodation space of the spring 36 in the seventh embodiment, is provided inside the bearing body 16, and a pocket region is formed by these recesses 54 and 53.
  • the elastic body 58 is formed of a silicon-based synthetic resin formed in a spherical shape, and, for example, polyoxyethylene is selected as the lubricating synthetic resin material 56.
  • the elastic body 58 wrapped by the lubricating synthetic resin 56 housed and arranged in the pocket area is slightly collapsed as shown in FIG. 25.
  • the recesses 5 3 and 5 4 are pressed by elastic force, but when the shaft 16 rotates around the shaft 12, the elastic body 5 8 wrapped with the lubricating synthetic resin 56 Is deformed and moved in a small space formed by the conical surface 12 c of the shaft 12 and the recess 53 of the bearing body 16, and becomes flat as shown in FIG. 26.
  • the shaft 12 is pressed with a larger elastic force. Therefore, when the bearing 16, that is, the mirror housing 13 is in the normal position, the shaft 12 is pressed against the receiving surface of the bearing 16 with a certain elastic force and is held at that position. However, it is necessary to apply a larger external force to rotate the mirror housing 13 from the normal position to the forward or backward tilt position.
  • an elastic body such as a silicon-based synthetic resin is formed as a spring means in a form wrapped with a lubricious synthetic resin 56, so that the mirror-housing 1 The rotation of 3 is quiet and does not wear out early.
  • the shape of the elastic body 58 before deformation is spherical. However, the shape may be oval or any other shape having a curved surface similar to spherical.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Abstract

Miroir rétroviseur rabattable pour portières de voitures, dans lequel un organe de support (16), recevant l'arbre (12) de la base (11) d'un rétroviseur destiné à être monté sur la portière d'une voiture, est moulé en une seule pièce avec un logement de rétroviseur (13) en résine synthétique. L'organe de support a la forme d'un cylindre de support du côté interne du logement de rétroviseur, et l'arbre s'engage dans une surface réceptrice du cylindre de support et supporte le logement en lui permettant de pivoter. Des ressorts à lames en U (36) sont montés entre la surface interne du cylindre de support et l'arbre, et une extrémité de chaque ressort à lames est en contact avec la surface interne du cylindre de support, l'autre extrémité étant en contact avec une surface plate (12d) formée sur une partie de l'arbre. Le frottement produit par la force élastique des ressorts empêche la rotation du rétroviseur, de sorte que le logement peut se maintenir dans la position normale. L'extrémité libre de l'arbre est pourvue d'une butée empêchant tout déplacement du logement de rétroviseur dans le sens de l'axe de l'arbre. Lorsqu'une force externe importante est appliquée sur le logement, les parties des ressorts à lames qui sont en contact avec l'arbre se déplacent de la surface plate à la surface circonférentielle en s'opposant à la force des ressorts, de sorte que le logement de rétroviseur tourne lentement de la position normale vers une position inclinée.
PCT/JP1988/000709 1987-07-16 1988-07-16 Retroviseur pour portieres de voitures WO1989000518A1 (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP62/108313U 1987-07-16
JP10831387U JPH054447Y2 (fr) 1987-07-16 1987-07-16
JP63/32596U 1988-03-14
JP3259688U JPH01144142U (fr) 1988-03-14 1988-03-14
JP63/38487U 1988-03-25
JP63/38486U 1988-03-25
JP3848788U JPH01142340U (fr) 1988-03-25 1988-03-25
JP3848688U JPH01142339U (fr) 1988-03-25 1988-03-25
JP63/39591U 1988-03-28
JP3959188U JPH01147747U (fr) 1988-03-28 1988-03-28
JP63/45301U 1988-04-05
JP4530188U JPH0533409Y2 (fr) 1988-04-05 1988-04-05

Publications (1)

Publication Number Publication Date
WO1989000518A1 true WO1989000518A1 (fr) 1989-01-26

Family

ID=27549647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1988/000709 WO1989000518A1 (fr) 1987-07-16 1988-07-16 Retroviseur pour portieres de voitures

Country Status (3)

Country Link
US (1) US5005797A (fr)
EP (1) EP0402465A1 (fr)
WO (1) WO1989000518A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460893A1 (fr) * 1990-06-04 1991-12-11 Britax Rainsfords Pty. Limited Rétroviseur rabattable à pivotement sur tourillon
WO1992006863A1 (fr) * 1990-10-11 1992-04-30 Fico Mirrors, S.A. Dispositif de fixation de ressort pour retroviseurs exterieurs repliables de vehicules automobiles
CN102219002A (zh) * 2010-04-15 2011-10-19 市光工业株式会社 车辆用外侧镜装置

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Publication number Priority date Publication date Assignee Title
JPH03271036A (ja) * 1990-03-19 1991-12-03 Tokai Rika Co Ltd 自動車用ドアーミラーのバイザー格納機構
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US5005797A (en) 1991-04-09
EP0402465A4 (fr) 1989-11-07
EP0402465A1 (fr) 1990-12-19

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